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WPS ER: Explicitly clear PSK from stack after use

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There is no need to leave the PSK from temporary Credential structure
that was built in stack after that Credential has been passed to the WPS
module.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-12-29 13:07:00 +02:00
parent ce52d031e5
commit f42df14415
1 changed files with 4 additions and 1 deletions
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5
wpa_supplicant/wps_supplicant.c
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@ -1919,6 +1919,7 @@ int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
u8 addr[ETH_ALEN], *use_addr = NULL;
struct wpa_ssid *ssid;
struct wps_credential cred;
int ret;
if (uuid_str2bin(uuid, u) == 0)
use_uuid = u;
@ -1932,7 +1933,9 @@ int wpas_wps_er_set_config(struct wpa_supplicant *wpa_s, const char *uuid,
if (wpas_wps_network_to_cred(ssid, &cred) < 0)
return -1;
return wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
ret = wps_er_set_config(wpa_s->wps_er, use_uuid, use_addr, &cred);
os_memset(&cred, 0, sizeof(cred));
return ret;
}